package com.dongdongshop.service;

import com.dongdongshop.pojo.TbItem;

import java.util.List;

public interface TbItemService {
    void insertGoodInfo(TbItem tbItem);

    List<TbItem> selectItemByGoodsId(Long goodsId);

    TbItem selectItemId(Long itemId);

    void updateStockCount(Long itemId, Integer num);
}
